Development of global medium-energy nucleon-nucleus optical model potentials

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The authors report on the development of new global optical model potentials for nucleon-nucleus scattering at medium energies. Using both Schroedinger and Dirac scattering formalisms, the goal is to construct a physically realistic optical potential describing nucleon-nucleus elastic scattering observables for a projectile energy range of (perhaps) 20 meV to (perhaps) 2 GeV and a target mass range of 16 to 209, excluding regions of strong nuclear deformation. They use a phenomenological approach guided by conclusions from recent microscopic studies. The experimental database consists largely of proton-nucleus elastic differential cross sections, analyzing powers, spin-rotation functions, and total reaction cross sections, ... continued below

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6 p.

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Madland, D.G. & Sierk, A.J. August 1, 1997.

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Description

The authors report on the development of new global optical model potentials for nucleon-nucleus scattering at medium energies. Using both Schroedinger and Dirac scattering formalisms, the goal is to construct a physically realistic optical potential describing nucleon-nucleus elastic scattering observables for a projectile energy range of (perhaps) 20 meV to (perhaps) 2 GeV and a target mass range of 16 to 209, excluding regions of strong nuclear deformation. They use a phenomenological approach guided by conclusions from recent microscopic studies. The experimental database consists largely of proton-nucleus elastic differential cross sections, analyzing powers, spin-rotation functions, and total reaction cross sections, and neutron-nucleus total cross sections. They will use this database in a nonlinear least-squares adjustment of optical model parameters in both relativistic equivalent Schroedinger (including relativistic kinematics) and Dirac (second-order reduction) formalisms. Isospin will be introduced through the standard Lane model and a relativistic generalization of that model.

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6 p.

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INIS; OSTI as DE97008200

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  • International conference on nuclear data for science and technology, Trieste (Italy), 20-24 May 1997

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  • Other: DE97008200
  • Report No.: LA-UR--97-1777
  • Report No.: CONF-970512--14
  • Grant Number: W-7405-ENG-36
  • Office of Scientific & Technical Information Report Number: 521644
  • Archival Resource Key: ark:/67531/metadc692936

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  • August 1, 1997

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  • Aug. 14, 2015, 8:43 a.m.

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  • Feb. 25, 2016, 3:58 p.m.

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Madland, D.G. & Sierk, A.J. Development of global medium-energy nucleon-nucleus optical model potentials, article, August 1, 1997; New Mexico. (digital.library.unt.edu/ark:/67531/metadc692936/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.